Mark W. DeRouen SR.

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Eunice, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for catching and retrieving objects in a well
- Patent number 9,903,183
- Issue date Feb 27, 2018
- Mark W. DeRouen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for catching and retrieving objects in a riser...
- Patent number 9,458,702
- Issue date Oct 4, 2016
- 5D Oilfield Magnetics IP Pressure Systems, LLC
- Mark W. Derouen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for catching and retrieving objects in a well
- Patent number 9,394,755
- Issue date Jul 19, 2016
- 5D I.P., L.L.C.
- Mark W. DeRouen
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...

Patents Applicationslast 30 patents

Information Patent Application
Method and Apparatus for Catching and Retrieving Objects in a Well
- Publication number 20160319638
- Publication date Nov 3, 2016
- Mark W. DeRouen
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and Apparatus for Catching and Retrieving Objects in a Well
- Publication number 20130020096
- Publication date Jan 24, 2013
- Mark W. DeRouen
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...